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50464-74-9

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50464-74-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50464-74-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,4,6 and 4 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 50464-74:
(7*5)+(6*0)+(5*4)+(4*6)+(3*4)+(2*7)+(1*4)=109
109 % 10 = 9
So 50464-74-9 is a valid CAS Registry Number.

50464-74-9Relevant articles and documents

A new Atisane Diterpene: ent-16α-Hydroxyatis-13-en-3-one from Androstachys johnsonii Prain

Piacenza, Lorenzo P. L.,Pegel, Karl H.,Laing, Michael,Waight, Eric S.,Weeks, Charles M.,Gorst-Allman, Charles P.

, p. 703 - 710 (2007/10/02)

The title diterpene, a rare example of the naturally occuring ent-atis-13-ene type, has been isolated as the 2-benzylidene derivative from the heartwood hexane extract of Androstachys johnsonii Prain.Its structure was determined by n.m.r. and X-ray crysta

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